What happens to a glass of water at a temperature of 20°c when it is placed into a freezer set at –10°c? a; it cools to –10°c, where it stays until freezing is complete. b; it freezes, then the temperature drops to 0°c and then to –10°c. c; it cools to 0°c, where it stays until freezing is complete. d; it freezes, then the temperature drops to 0°c and stays there.